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All Journal Biodiversitas Journal of Biological Diversity
NI KADEK EROSI UNDAHARTA
UPT Balai Konservasi Tumbuhan Kebun Raya “Eka Karya” Bali, Lembaga Ilmu Pengetahuan Indonesia (LIPI), Tabanan 82191
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Association of dominated tree species in lowland tropical forest of Tangkoko Nature Reserve, Bitung, North Sulawesi AGUNG KURNIAWAN; NI KADEK EROSI UNDAHARTA; I MADE RAHARJA PENDIT
Biodiversitas Journal of Biological Diversity Vol. 9 No. 3 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090310

Abstract

The study aimed to gain information about tree species domination and association was conducted in lowland tropical forest of Tangkoko Nature Reserve. The tree with ≥10 cm dbh censused with quarter method. The result showed that Palaquium sp. having the highest domination species with Index Importance Value 21.05, as well as Cananga odorata Hook.f. & Thoms. and Dracontomelon dao (Blanco) Merril & Rolfe. There was one couple species that had positive association among seven main species composition in area study, that was C. odorata with kayu kapur. Generally, the other couples species had negative association, so there was no tolerance to exist in the same area and no mutualism interrelationship especially in habitat grouping.© 2008 Jurusan Biologi FMIPA UNS SurakartaKey words: Palaquium sp., domination, species association, Tangkoko Nature Reserve
Interaction between the society around forest area with the use of biodiversity in the natural forest ecosystem of Bedugul-Pancasari, Bali BRAMANTYO TRI ADI NUGROHO; NI KADEK EROSI UNDAHARTA; MUSTAID SIREGAR
Biodiversitas Journal of Biological Diversity Vol. 9 No. 3 (2008)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d090316

Abstract

Natural ecosystem forest of Bedugul-Pancasari represents an area which located in Tabanan regency, Bali province. This ecosystem area consist of eight laid orchard at strategic area so that do not deny by many society forest exploit variety involve residing in the area. This research aimed to get the information about variance factors that influence the extraction of nature resources by the village and also to know the respondent characteristic. The result from frequency distribution table showed the age of respondent 20-35 (45%) was the biggest group which taken the forest biodiversities around Bedugul-Pancasari forest. The respondent who taken the biggest forestbiodiversity has income from 50,000-185,000 rupiahs (42%) and 82% as a farmer. The age, the distance between house and forest, and the number of family member variables influenced the respondents to take the forest biodiversities. The Cramer’s V value for each variable is 0.592, 0.691 and 0.723 that indicated there was correlation.© 2008 Jurusan Biologi FMIPA UNS Surakarta.Key words: society interaction, Bedugul-Pancasari, forest.
Co-Authors AGUNG KURNIAWAN BRAMANTYO TRI ADI NUGROHO I MADE RAHARJA PENDIT MUSTAID SIREGAR